2880821853

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{206911}}^1$

素因数の和:206954

約数の個数: 48

約数和(自身を含む): 5422749696

約数和(自身を除く): 2541927843

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 13923, 206911, 620733, 1448377, 1862199, 2689843, 3517487, 4345131, 8069529, 10552461, 13035393, 18828901, 24208587, 24622409, 31657383, 45727331, 56486703, 73867227, 137181993, 169460109, 221601681, 320091317, 411545979, 960273951, 2880821853]

約数ペア:

[(1, 2880821853), (3, 960273951), (7, 411545979), (9, 320091317), (13, 221601681), (17, 169460109), (21, 137181993), (39, 73867227), (51, 56486703), (63, 45727331), (91, 31657383), (117, 24622409), (119, 24208587), (153, 18828901), (221, 13035393), (273, 10552461), (357, 8069529), (663, 4345131), (819, 3517487), (1071, 2689843), (1547, 1862199), (1989, 1448377), (4641, 620733), (13923, 206911)]